Adjustable headband



FIG. 1 is a perspective view of a headlamp mounted on an adjustableheadband showing my new design;

FIG. 2 is a left side view thereof, with a central portion of the strapmember removed for ease of illustration;

FIG. 3 is a perspective view of the adjustable headband;

FIG. 4 is a front view thereof;

FIG. 5 is a partial top view of the rear portion thereof;

FIG. 6 is a partial top view of the front portion thereof;

FIG. 7 is a right side view thereof, with a central portion of the strapmember removed for ease of illustration;

FIG. 8 is a left side view thereof, with a central portion of the strapmember removed for ease of illustration;

FIG. 9 is a rear view thereof;

FIG. 10 is a partial bottom view of the rear thereof, with the frontportion removed;

FIG. 11 is partial bottom view of the front thereof, with the rearportion removed; and,

FIG. 12 is an enlarged partial rear view thereof; to show details nototherwise discernable from the drawings.

The broken lines depict environmental subject matter only and form nopart of the claimed design.

The break lines shown in FIGS. 2, 5, 6, 7, 8, 10, 11 and 12 form no partof the claimed design.

CLAIM The ornamental design for an adjustable headband, as shown anddescribed.